Gervais Welding is one of the best welding contractors in Massachusetts offering the lowest prices for high quality pipe welding, fence/gate welding, metal deck and walkway installation, welding and fabrication, iron/steel welding and fabrication, construction equipment repairs and pipe rail/hand rail installation, welding and fabrication. Gervais Welding is one of the most respected mobile welding and fabrication companies in Boston, Massachusetts specializing in gas pipe welding service